CN215424146U

CN215424146U - Personalized customized beverage machine combining five cereals and food therapy

Info

Publication number: CN215424146U
Application number: CN202121086349.3U
Authority: CN
Inventors: 黄小成; 刘晏秋; 张发富; 易豪; 易科; 揭俊云; 胡琛; 陈新康; 欧阳雪娟; 周荷清; 邱航
Original assignee: Jiangxi Application Engineering Vocational College
Current assignee: Jiangxi Application Engineering Vocational College
Priority date: 2021-05-20
Filing date: 2021-05-20
Publication date: 2022-01-07
Anticipated expiration: 2031-05-20

Abstract

The utility model discloses an individualized customized coarse cereal and food therapy beverage machine which comprises a shell, wherein the inner side of the shell is respectively composed of a storage layer, a manufacturing layer and a water supply layer, the inner side of the storage layer is fixedly connected with a powder storage tank support, the upper end of the powder storage tank support is spliced with a powder storage tank body, the lower end of the powder storage tank body extends into the manufacturing layer, the lower end of the powder storage tank body is provided with a locking nut, the upper end of the powder storage tank body is provided with a powder storage tank cover, the upper end of the powder storage tank cover is fixedly connected with a photoelectric sensor, the upper end of the powder storage tank cover is fixedly provided with a powder feeding spiral motor, and the output end of the powder feeding spiral motor penetrates through the lower end of the powder storage tank cover. This drink machine can satisfy user's multiple taste through the different collocation of multiple taste, adopts self-service form drink machine intelligence production drink simultaneously, does not need the manual work to process, and efficiency is higher, consumes fewly, and the process is quick, is worth promoting.

Description

Personalized customized beverage machine combining five cereals and food therapy

Technical Field

The utility model relates to the field of beverage machines, in particular to a personalized customized beverage machine for food therapy of mixed grains.

Background

At present, the existing common beverage machines can be used for selling beverages such as soybean milk, soymilk, milk, coffee and the like. The existing beverage machine usually comprises a powder supply device, a water supply device and a stirring device; when the instant powder cup is used, instant powder and water can be supplied into the cup body through the powder supply device and the water supply device respectively, and then the instant powder and the water are stirred through the stirring device, so that a beverage is prepared. The stirring device of the existing beverage machine comprises a rotary driving device and a stirring paddle fixed on the rotary driving device, and the stirring paddle is driven to rotate by the rotary driving device, so that the stirring can be carried out by the stirring paddle. Different types of drinks correspond to the outlets one by one. Along with the improvement of living standard of people, soybean milk and coarse cereal nutritional food are popular to the public in the market at present.

However, the existing beverage machines can still only provide limited types of beverages every day, and cannot be different from person to person. Especially in the crowded places such as schools, hospitals, old homes and large markets, the consumption of manual processing and manufacturing methods is high, the efficiency is low, the process is complicated, the popularization is difficult, the online consumption is realized, and the focus of customers is not attracted, so that a personalized and customized beverage machine for the mixed grain and coarse cereal food therapy is needed to be designed.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems mentioned in the background technology, the utility model aims to provide a personalized customized beverage machine for mixed grain and food therapy to solve the problems mentioned in the background technology.

The technical purpose of the utility model is realized by the following technical scheme:

a personalized customized beverage machine with functions of five cereals food therapy and food therapy comprises a shell, wherein the inner side of the shell is respectively composed of a storage layer, a manufacturing layer and a water supply layer, the inner side of the storage layer is fixedly connected with a powder storage tank support, the upper end of the powder storage tank support is spliced with a powder storage tank body, the lower end of the powder storage tank body extends into the manufacturing layer, the lower end of the powder storage tank body is provided with a locking nut, the upper end of the powder storage tank body is provided with a powder storage tank cover, the upper end of the powder storage tank cover is fixedly connected with a photoelectric sensor, the upper end of the powder storage tank cover is fixedly provided with a powder feeding screw motor, the output end of the powder feeding screw motor penetrates through the lower end of the powder storage tank cover, the end part of the output shaft of the powder feeding screw motor is fixedly connected with a small feeding screw, the inner side of the storage layer is fixedly connected with a large-capacity storage box, and the inner part of the storage layer is fixedly provided with a large feeding screw motor, the inner part of the storage layer is fixedly connected with a coupler, the inner side of the coupler is rotatably connected with a large feeding screw, the output end of a large feeding screw motor is fixedly connected with the right end of the large feeding screw, the lower end of a large-capacity storage box is communicated with a manufacturing layer, the large feeding screw is arranged at the lower end opening of the large-capacity storage box, the inner top of the manufacturing layer is fixedly connected with a powder collecting hopper, the inner bottom of the storage layer is fixedly provided with a powder collecting motor, the output end of the powder collecting motor extends into the inner side of the powder collecting hopper and is fixedly connected with a sweeping brush, the inner side of the manufacturing layer is fixedly provided with an inclined screw, the upper end shell wall of the inclined screw is communicated with the lower end of the powder collecting hopper, the shaft part of the inclined screw is fixedly connected with an inclined motor, the inner bottom of the manufacturing layer is provided with a cup holder, and the inner side of the cup holder is provided with a stirring cup, the upper end fixed mounting of stirring cup has agitator motor, agitator motor's output stretches into stirring cup's inside fixedly connected with (mixing) shaft, stirring cup's lower extreme fixed mounting has first solenoid valve, put the one end of spiral ware and stir the cup to one side and communicate mutually, the inside difference fixedly connected with high temperature water storage container and quick heater on preparation layer, the one end fixedly connected with of quick heater advances water stainless steel pipe, the other end and the stirring cup fixed connection of the stainless steel pipe that advances water, the other end fixedly connected with silica gel water pipe of quick heater, the other end and the high temperature water storage container fixed connection of silica gel water pipe, the outside fixedly connected with temperature sensor of high temperature water storage container, the induction end of temperature sensor is established in high temperature water storage container's inside, the cask has been placed to the inside on water supply layer, the upper end fixed mounting of cask has self priming water pump, one end of the self-priming water pump is fixedly connected with a second electromagnetic valve through a guide pipe, and the other end of the second electromagnetic valve is fixedly connected with a high-temperature water storage container through a guide pipe.

Through adopting above-mentioned technical scheme, set up the casing into the storage layer, preparation layer and water supply layer, in the storage layer, the powder category of a plurality of tastes is distributed to the powder through the powder of different tastes, respectively through the powder screw motor that send that corresponds and big pay-off screw motor control discharge in the storage powder jar body and large capacity storage box, the rethread collection powder fill on the preparation layer is collected and is utilized collection powder motor to drive the scavenging brush and carry out the primary mixing, the powder is mixed in the stirring cup through oblique motor drive helical organ propelling movement to one side afterwards, simultaneously self priming pump preheats the back in with the water input in the cask to high temperature water storage container, enter into the stirring cup after passing through the quick-heating ware rapid heating again, drive the (mixing) shaft through stirring motor at last and mix the stirring cup, can drink after first solenoid valve opens.

Preferably, the cabinet body is fixedly connected to the left side of the casing, the cup holder is fixedly connected to the upper end of the cabinet body, a drink cup is placed at the upper end of the cup holder, and the drink cup is arranged under the first battery valve.

Through adopting above-mentioned technical scheme, through set up on the cabinet body and put the glass stand, the drink cup that the utilization was put on the glass stand can conveniently insert the drink.

Preferably, the left side of the lower end of the cabinet body is provided with universal wheels, and the right side of the lower end of the shell is provided with the universal wheels which are the same as the left side of the lower end of the cabinet body.

Through adopting above-mentioned technical scheme, through set up the universal wheel at the lower extreme of the cabinet body and casing, can make things convenient for the removal of this drink machine.

Preferably, a capacitive touch operation screen is fixedly mounted on the left side of the shell, and the capacitive touch operation screen is arranged in the middle of the left side of the shell.

Through adopting above-mentioned technical scheme, through setting up capacitive touch operation screen at casing left side middle part, can make things convenient for the user to carry out the selectivity operation.

Preferably, the upper end of the cabinet body is provided with a water receiving box, a wastewater tank is arranged in the cabinet body, and the lower end of the water receiving box is communicated with the wastewater tank.

Through adopting above-mentioned technical scheme, through set up the water receiving box on the cabinet body, can conveniently discharge waste water into the wastewater disposal basin.

In summary, the utility model mainly has the following beneficial effects:

the shell is arranged into a storage layer, a manufacturing layer and a water supply layer, in the storage layer, powder with a plurality of tastes is distributed by powder with different tastes, the discharge amount is controlled in a powder storage tank body and a large-capacity storage box through a corresponding powder feeding screw motor and a large feeding screw motor respectively, then the powder is collected through a powder collecting hopper on the manufacturing layer and is primarily mixed by driving a sweeping brush through the powder collecting motor, then the powder is pushed into a stirring cup through a tilted screw driven by a tilted motor, meanwhile, water in a bucket is input into a high-temperature water storage container for preheating through a self-sucking pump and then enters the stirring cup through a quick heater for quick heating, finally, the stirring cup is mixed and stirred through driving a stirring shaft by the stirring motor, the beverage can be drunk after a first electromagnetic valve is opened, the beverage machine can meet various tastes of users through different collocations of various tastes, meanwhile, the self-service beverage machine is adopted to intelligently produce the beverage, manual processing is not needed, the efficiency is higher, the consumption is less, the process is quick, and the beverage machine is worthy of popularization.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a side view of the blender cup of the present invention;

FIG. 3 is a top plan view of a storage layer of the present invention;

FIG. 4 is a top view of a fabrication layer of the present invention.

Reference numerals: 1. a powder feeding screw motor; 2. a photosensor; 3. a powder storage tank cover; 4. a powder storage tank body; 5. a powder storage tank can support; 6. a small feed screw; 7. locking the nut; 8. a capacitive touch screen; 9. a powder collecting hopper; 10. a material sweeping brush; 11. a stirring motor; 12. a stirring cup; 13. a cup holder; 14. a stirring shaft; 15. a first solenoid valve; 16. a drink cup; 17. placing a cup holder; 18. a wastewater tank; 19. a universal wheel; 20. a large-capacity storage box; 21. a powder collecting motor; 22. a large feed screw; 23. a coupling; 24. a large feed screw motor; 25. a material storage layer; 26. a motor is obliquely arranged; 27. obliquely placing a screw; 28. manufacturing a layer; 29. a temperature sensor; 30. a high temperature water storage container; 31. a silica gel water pipe; 32. a second solenoid valve; 33. a quick heater; 34. a stainless steel water inlet pipe; 35. a self-priming water pump; 36. a water bucket; 37. a water receiving box; 38. a housing; 39. a water supply layer; 40. a cabinet body.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

Referring to fig. 1-4, a personalized customized beverage machine for food therapy of mixed grains and coarse cereals comprises a housing 38, wherein the inner side of the housing 38 is composed of a storage layer 25, a making layer 28 and a water supply layer 39, the inner side of the storage layer 25 is fixedly connected with a powder storage tank support 5, the upper end of the powder storage tank support 5 is connected with a powder storage tank body 4 in an inserting manner, the lower end of the powder storage tank body 4 extends into the making layer 28, the lower end of the powder storage tank body 4 is provided with a locking nut 7, the upper end of the powder storage tank body 4 is provided with a powder storage tank cover 3, the upper end of the powder storage tank cover 3 is fixedly connected with a photoelectric sensor 2, the upper end of the powder storage tank cover 3 is fixedly provided with a powder feeding screw motor 1, the output end of the powder feeding screw motor 1 penetrates through the lower end of the powder storage tank cover 3, the output shaft end of the powder feeding screw motor 1 is fixedly connected with a small feeding screw 6, the inner side of the storage layer 25 is fixedly connected with a storage box 20 with a large capacity, the inside fixed mounting of storing layer 25 has big pay-off screw motor 24, the inside fixedly connected with shaft coupling 23 of storing layer 25, the inboard rotation of shaft coupling 23 is connected with big pay-off screw 22, the output of big pay-off screw motor 24 and the right-hand member fixed connection of big pay-off screw 22, the lower extreme and the preparation layer 28 of large capacity storage box 20 communicate with each other, big pay-off screw 22 is established at the lower extreme opening part of large capacity storage box 20, the inboard top fixed connection of preparation layer 28 has powder collecting hopper 9, the inboard bottom fixed mounting of storing layer 25 has powder collecting motor 21, the inboard fixed connection that the output of powder collecting motor 21 stretched into powder collecting hopper 9 has the sweeping brush 10, the inboard fixed mounting of preparation layer 28 has oblique screw 27, the upper end conch wall of oblique screw 27 communicates with the lower extreme of powder collecting hopper 9, the axial region fixedly connected with of putting spiral ware 27 to one side puts motor 26 to one side, the inboard bottom on preparation layer 28 is equipped with saucer 13, the inboard of saucer 13 is equipped with stirring cup 12, the upper end fixed mounting of stirring cup 12 has agitator motor 11, agitator motor 11's output stretches into stirring cup 12's inside fixedly connected with (mixing) shaft 14, stirring cup 12's lower extreme fixed mounting has first solenoid valve 15, the one end and the stirring cup 12 of putting spiral ware 27 to one side communicate with each other, the inside of preparation layer 28 is fixedly connected with high temperature water storage container 30 and quick heater 33 respectively, the one end fixedly connected with of quick heater 33 advances water stainless steel pipe 34, the other end and the stirring cup 12 fixed connection of stainless steel pipe 34 that advances water, the other end fixedly connected with silica gel water pipe 31 of quick heater 33, the other end and the high temperature water storage container 30 fixed connection of silica gel water pipe 31, the outer side of the high-temperature water storage container 30 is fixedly connected with a temperature sensor 29, the sensing end of the temperature sensor 29 is arranged inside the high-temperature water storage container 30, a water bucket 36 is placed inside the water supply layer 39, the upper end of the water bucket 36 is fixedly provided with a self-priming water pump 35, one end of the self-priming water pump 35 is fixedly connected with a second electromagnetic valve 32 through a guide pipe, and the other end of the second electromagnetic valve 32 is fixedly connected with the high-temperature water storage container 30 through a guide pipe; the powder in the powder storage tank 4 and the large-capacity storage box 20 arranged on the material storage layer 25 is selected in a combined mode, the number and the size C of the combination are related to the quantity of the arranged powder storage tank 4 and the large-capacity storage box 20, and the type x and the weight m of the selected powder in the combined mode determine the price P of the beverage; a control cabinet is arranged in the manufacturing layer 28, a singlechip control mainboard is arranged in the control cabinet, the capacitive touch operation screen 8 is connected with the singlechip control mainboard in the control cabinet through a wire, a high-temperature constant-temperature module is arranged in the cup holder 13, the temperature in the stirring cup 12 can reach a set constant-temperature state through setting, a heating module, a temperature sensor 29 and an alarm are arranged in the high-temperature water storage container 30, the heating module can be used for heating and matching with the temperature sensor 29 and the water shortage alarm, intelligent temperature control can be realized, the high-temperature water storage container 30 is provided with a heat insulation layer, heat loss can be reduced, an energy-saving effect is achieved, no operation is carried out after thirty minutes of the stirring cup 12, self-cleaning and cleaning are started once, and the sanitation and safety of drinks and the first electromagnetic valve 15 are ensured not to be blocked; the cup holder 17 is height-adjustable to adapt to beverage containers of various heights, and the water receiving box 37 is provided with a hole which is connected with the waste water tank 18.

Referring to fig. 1, for the purpose of facilitating access to the drink; a cabinet body 40 is fixedly connected to the left side of the shell 38, a cup holding frame 17 is fixedly connected to the upper end of the cabinet body 40, a drink cup 16 is placed on the upper end of the cup holding frame 17, and the drink cup 16 is arranged right below the first battery valve; by arranging the cup holder 17 on the cabinet body 40, the drink can be conveniently accessed by using the drink cup 16 on the cup holder 17.

Referring to fig. 1, for the purpose of facilitating the movement of the beverage maker; the left side of the lower end of the cabinet body 40 is provided with a universal wheel 19, and the right side of the lower end of the shell 38 is provided with the universal wheel 19 which is the same as the left side of the lower end of the cabinet body 40; the movement of the beverage maker is facilitated by providing universal wheels 19 at the lower ends of the cabinet 40 and the housing 38.

Referring to fig. 1, for the purpose of facilitating a user's selective operation; a capacitive touch operation screen 8 is fixedly installed on the left side of the shell 38, and the capacitive touch operation screen 8 is arranged in the middle of the left side of the shell 38; by arranging the capacitive touch panel 8 in the middle of the left side of the housing 38, selective operation by a user can be facilitated.

Referring to fig. 2, for the purpose of facilitating the discharge of wastewater into wastewater tank 18; a water receiving box 37 is arranged at the upper end of the cabinet body 40, a wastewater tank 18 is arranged inside the cabinet body 40, and the lower end of the water receiving box 37 is communicated with the wastewater tank 18; by arranging the water receiving box 37 on the cabinet body 40, waste water can be conveniently discharged into the waste water tank 18.

The use principle and the advantages are as follows: when in use, a user clicks the capacitive touch operation screen 8, selects a corresponding taste and weight, selects a required proper concentration to add water, displays a corresponding price, after purchasing and paying, the capacitive touch operation screen 8 sends a corresponding instruction signal to the control cabinet, the control cabinet respectively controls the powder feeding screw motor 1 and the large feeding screw motor 24 on the powder storage tank body 4 and the large-capacity storage box 20, after the discharge amount reaches a specified amount, the powder collecting motor 21 on the powder collecting hopper 9 starts to drive the sweeping brush 10 to start to rotate and mix the materials, the powder is concentrated to the lower end of the powder collecting hopper 9 through the conical arrangement on the powder collecting hopper 9, meanwhile, the inclined motor 26 drives the inclined screw 27 to operate, the powder of the powder collecting hopper 9 is conveyed into the stirring cup 12, and a sectional heating mode is adopted in the process of adding water and mixing the powder in the stirring cup 12, firstly, water in a water bucket 36 is conveyed into a high-temperature water storage container 30 by a self-priming pump 35, a multi-way type second electromagnetic valve 32 is installed on a guide pipe connected with the water bucket 36, different water buckets 36 are controlled to discharge water by a control cabinet, then the water is preheated by a heating module arranged in the high-temperature water storage container 30, a water shortage alarm and a temperature sensor 29 are matched, water can be always kept in the high-temperature water storage container 30, then when powder and water are mixed, water flows reach a quick heater 33 through a silica gel water pipe 31 to be quickly heated, then the water flows into a stirring cup 12 through a water inlet stainless steel pipe 34 to be mixed with the powder, a stirring motor 11 on the stirring cup 12 drives a stirring shaft 14 in the stirring cup 12 to rotate for quick mixing, finally, a beverage is discharged by a first electromagnetic valve 15, and a cup holder 17 arranged at the upper end of a cabinet body 40 can be adjusted to be connected to the height of the beverage cup 16 through beverage cups 16 with different heights in the discharging process, in addition, the automatic cleaning stirring cup 12 and the first electromagnetic valve 15 are set for starting the system which does not work for half an hour, meanwhile, the quick heater 33 provides a small amount of hot water again to clean the wall of the stirring cup 12 and the first electromagnetic valve 15, so that powder is fully output, the stirring cup 12 and the first electromagnetic valve 15 are kept clean, after cleaning, waste water is finally discharged into the waste water tank 18 through the hole in the water receiving box 37 to be collected in a centralized mode, the number of times of waste water cleaning reaches the set number of times, and a maintainer is prompted to clean the waste water, so that the use is convenient.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A beverage machine of food therapy is mixed to individualized customization type five cereals, includes casing (38), its characterized in that: the inner side of the shell (38) is respectively composed of a powder storage layer (25), a manufacturing layer (28) and a water supply layer (39), the inner side of the powder storage layer (25) is fixedly connected with a powder storage tank support (5), the upper end of the powder storage tank support (5) is spliced with a powder storage tank body (4), the lower end of the powder storage tank body (4) extends into the manufacturing layer (28), the lower end of the powder storage tank body (4) is provided with a locking nut (7), the upper end of the powder storage tank body (4) is provided with a powder storage tank cover (3), the upper end of the powder storage tank cover (3) is fixedly connected with a photoelectric sensor (2), the upper end of the powder storage tank cover (3) is fixedly provided with a powder feeding screw motor (1), the output end of the powder feeding screw motor (1) penetrates through the lower end of the powder storage tank cover (3), the end part of the output shaft of the powder feeding screw motor (1) is fixedly connected with a small feeding screw (6), the inner side of the material storage layer (25) is fixedly connected with a large-capacity material storage box (20), the inner part of the material storage layer (25) is fixedly provided with a large feeding screw motor (24), the inner part of the material storage layer (25) is fixedly connected with a coupler (23), the inner side of the coupler (23) is rotatably connected with a large feeding screw device (22), the output end of the large feeding screw motor (24) is fixedly connected with the right end of the large feeding screw device (22), the lower end of the large-capacity material storage box (20) is communicated with a manufacturing layer (28), the large feeding screw device (22) is arranged at the opening of the lower end of the large-capacity material storage box (20), the inner top of the manufacturing layer (28) is fixedly connected with a powder collecting hopper (9), the inner side bottom of the material storage layer (25) is fixedly provided with a powder collecting motor (21), the output end of the powder collecting motor (21) extends into the inner side of the powder collecting hopper (9) and is fixedly connected with a material sweeping brush (10), the inner side of the manufacturing layer (28) is fixedly provided with an inclined screw (27), the upper end shell wall of the inclined screw (27) is communicated with the lower end of the powder collecting hopper (9), the shaft part of the inclined screw (27) is fixedly connected with an inclined motor (26), the inner bottom of the manufacturing layer (28) is provided with a cup holder (13), the inner side of the cup holder (13) is provided with a stirring cup (12), the upper end of the stirring cup (12) is fixedly provided with a stirring motor (11), the output end of the stirring motor (11) extends into the inner fixedly connected with stirring shaft (14) of the stirring cup (12), the lower end of the stirring cup (12) is fixedly provided with a first electromagnetic valve (15), one end of the inclined screw (27) is communicated with the stirring cup (12), the inner part of the manufacturing layer (28) is respectively fixedly connected with a high-temperature container (30) and a quick heater (33), one end of the quick heater (33) is fixedly connected with a water inlet stainless steel pipe (34), the other end of the water inlet stainless steel pipe (34) is fixedly connected with the stirring cup (12), the other end of the quick heater (33) is fixedly connected with a silica gel water pipe (31), the other end of the silica gel water pipe (31) is fixedly connected with a high-temperature water storage container (30), the outer side of the high-temperature water storage container (30) is fixedly connected with a temperature sensor (29), the sensing end of the temperature sensor (29) is arranged in the high-temperature water storage container (30), a water barrel (36) is arranged in the water supply layer (39), a self-priming pump (35) is fixedly arranged at the upper end of the water barrel (36), one end of the self-priming water pump (35) is fixedly connected with a second electromagnetic valve (32) through a guide pipe, the other end of the second electromagnetic valve (32) is fixedly connected with the high-temperature water storage container (30) through a conduit.

2. The personalized customized mixed grain and food therapy beverage machine according to claim 1, characterized in that: the left side fixedly connected with cabinet body (40) of casing (38), the upper end fixedly connected with of the cabinet body (40) puts glass stand (17), drink cup (16) have been placed to the upper end of putting glass stand (17), drink cup (16) are established under first battery valve.

3. The personalized customized mixed grain and food therapy beverage machine according to claim 2, characterized in that: the utility model discloses a cabinet body (40) lower extreme left side is equipped with universal wheel (19), casing (38) lower extreme right side is equipped with the same universal wheel (19) with cabinet body (40) lower extreme left side.

4. The personalized customized mixed grain and food therapy beverage machine according to claim 1, characterized in that: the left side fixed mounting of casing (38) has electric capacity touch operation screen (8), electric capacity touch operation screen (8) are established in the left middle part of casing (38).

5. The personalized customized mixed grain and food therapy beverage machine according to claim 2, characterized in that: the upper end of the cabinet body (40) is provided with a water receiving box (37), a waste water tank (18) is arranged in the cabinet body (40), and the lower end of the water receiving box (37) is communicated with the waste water tank (18).